Smart Start Ignition Interlock
S & S Customs995 236th St
#3
North Liberty, IA 52317
#1 Ignition Interlock from $1.99/day*. Same-day installation available
Services at this Location:
- Installations
- Calibrations
Book an Installation
With the thousands of locations across the nation, 24/7 customer support, no hidden fees and the most reliable device on the market, Smart Start Ignition Interlock devices are hands-down the best way to get you back on the road fast.
Get a quick and easy IID installation with Smart Start! Get started today!
¡Obtenga una instalación rápida y fácil de IID con Smart Start! ¡Empieza hoy mismo!
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Why Choose Smart Start Ignition Interlock?
From $1.99/Day* - No Long-Term Contracts
Bi-weekly payment options designed to fit your budget.
IGNITION INTERLOCK COSTS3,000+ Locations - Same Day Install
Quick installs by skilled technicians at convenient U.S. locations.
FIND A LOCATIONDiscreet, Easy-to-Use Devices
Reliable, hygienic devices with guided tests and easy English-Spanish switching.
SMART START DEVICES24/7 Knowledgeable State Program Experts
Multilingual support trusted by over 1 million people, ready when you need us.
TALK TO A PROGRAM ADVISOR#1 Ignition Interlock Device Provider at S & S Customs in North Liberty
If you are looking for an Ignition Interlock Device in Iowa City, Smart Start is the best choice. With over 25 years' experience and many shop locations in Iowa, we get clients back on the road fast. We also have the best customer service team in the industry. Our knowledgeable Customer Care Center is standing by 24/7/365 to help you through any questions or concerns you may have. We are across the street from Meadowlark Psychiatric Services and look forward to serving you!
Call Smart Start today at (515) 575-3010 to schedule your installation appointment. Can't talk over the phone? We have an online form that only takes minutes to fill out.
You can find S&S Customs located in front of the railroad tracks in North Liberty, Iowa. Look for the Smart Start sign! S&S Customs is family owned and operated and has been in business for 18 years. Scott, the shop owner, has been working at S&S Customs for 18 years and has been in the field for 25 years. A motor vehicle enthusiast by nature, he enjoys motorcycles and racing - come visit S&S Customs for the best care of you and your vehicle in the North Liberty area during your Ignition Interlock Device (IID) program!
You can locate additional Smart Start locations in Cedar Rapids, Iowa City or throughout Iowa.
Frequently Asked Questions
The overall cost of an Ignition Interlock Device is a combination of installation fees, monthly service fees, and removal fees. Exact pricing varies by state. To get a quote today, call (800) 831-3299 to speak with a friendly Program Advisor.
Once you have scheduled your Ignition Interlock Device (IID) installation with Smart Start, you will need to bring the following to your IID installation appointment in Iowa:
- Two valid forms of identification—one of which should include a photo of you.
- Proof of residence.
- Any and all court documents that may be relevant to your Ignition Interlock Device requirement or your restricted driving period.
- Vehicle registration. If you do not own the vehicle on which you’re installing the Ignition Interlock Device, or if that vehicle is not registered to you, you will need to bring a letter of permission from the registered owner stating that you are allowed to install an Ignition Interlock Device on the vehicle.
- The vehicle on which you’ll be installing an Ignition Interlock Device (IID).
If you have any additional questions or concerns about the installation process or what is required for a successful installation, please don’t hesitate to call our customer care team at (800) 831-3299. You can also click on the chat window below to begin a discussion with one of our customer care advocates.
You may be able to service your Ignition Interlock Device at any Smart Start service center nationwide. However, we strongly suggest checking with your state authority in Iowa before seeking service outside of your state. Find the nearest Smart Start service center here.
Typically, you will need to service your Ignition Interlock Device (IID) once every 30-60 days or as determined by your jurisdiction in Iowa.
Ignition Interlock Device violation criteria can vary by state. Any and all of the following may constitute a violation in Iowa:
- A skipped rolling retest
- Tampering with the Ignition Interlock Device in any way
- Any breath sample that registers a BrAC above .02 percent
- Missing your scheduled IID service appointment
Learn more about Ignition Interlock Device violations.
In Iowa, you can pay for your Interlock Device calibration via credit card at the Smart Start service center at the time of calibration or via the online Client Portal.
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See What Everyone Says About Our Ignition Interlock
Excellent TrustScore Rating
June 22, 2025
"She was very knowledgeable and answered all my questions. I am new to this so she was very helpful and understanding. She got me setup and explained everything in great detail. She even said if I was confused about anything later on down the road to just call back. "
Nathan H.
United States
June 21, 2025
"The lady I spoke with was very helpful informative about what would be happening what I would need.
I am also informed that the technicians are very experienced so I believe after the search that I was doing to find the right service was Smart start. So I thank you very much and I look forward to working with Smart start and helping me as I stay on the right path going forward!"
Nathaniel C.
United States
June 21, 2025
"When I fiiiiiiiiinally got to talk to someone after a long time that one person was extremely helpful "
Aaron V.
United States